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由 Soheil Hassas Yeganeh 提交于
Process socket-level control messages by invoking __sock_cmsg_send in ip6_datagram_send_ctl for control messages on the SOL_SOCKET layer. This makes sure whenever ip6_datagram_send_ctl is called for udp and raw, we also process socket-level control messages. This is a bit uglier than IPv4, since IPv6 does not have something like ipcm_cookie. Perhaps we can later create a control message cookie for IPv6? Note that this commit interprets new control messages that were ignored before. As such, this commit does not change the behavior of IPv6 control messages. Signed-off-by: NSoheil Hassas Yeganeh <soheil@google.com> Acked-by: NWillem de Bruijn <willemb@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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